Download IPrecision Switchgear Electro-mechanical, with Separate Normally

I
Separate Normally Closed and Normally Open Contacts
Precision Series
Switchgear
Electro-mechanical, with
Standard
BSW 493
Characteristics
1. Device for adjusting the switching
pulses (smoothly). Adjustment tool
in the casing lid.
2. No tightening or releasing of the
cam is required.
Construction
Front view
Adjusting spring A 6 x 6 x 25
or A 6 x 6 x 16
DIN 6885
Scale ring
-,
Cover ~
(transparent)
\
3. High precision snap action switch
according to DIN 43695 type BSE
44.0, mounted on a bridge (not
adjustable during operation). Two
circuit changeover with two electrically and thermally isolated contact
bridges.
-,---
M 109 mm deep
i?
40120 __
4. Drive on either of the shaft ends.
The cover and the scale ring can be
mounted on either end of the shaft.
o.
-08:4 -45
_
~
5. Suitable for clockwise and anti
clockwise rotation. The scale ring
can be used as required.
6. Available with a short (20 mm)
or long (40 mm) shaft end of 20 mm
diameter.
Side view
Snap action switch
Cam ring
Protective cover
"/
:;-
~
~
Hinge
Dimensions
12
20
245
225
259
219
6
185
305
165
483
285
379
319
339
279
4503
5
577
537
79 of
Number
cable
Dimension A
125
105
159
3
199
3
Reference edge
\
.L
110
-108
-185
J
-~
Ordering Instructions
Production
code
I
Switchgear code
BSW 493 = Snap action switch BSE 44.0 according to DIN 43695
Number of switching points
3, 6, 9, 12 or 20
Shaft end s 20 mm diameter
L = shaft length 40 mm, centre thread M 10 at both ends of the shaft, 9 mm deep
K = shaft length 20 mm, centre thread M 10 at both end s of the shaft, 9 mm deep
3 = Type of drive
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BALLUFF
I
Technical Series
Data BSW 493
Standard
Switchgear
BSW 493
Mechanical Data
Casing material
Die cast-aluminium,
black anodized
Cable entries in the casing
Thread Pg 21
Shaft
Steel, mounted
bearings
Cam rings
Steel, surface hardened
and ground
Push-rod
material
Steel (rust resistant), with ballbearing
fitted as support
Lubrication
None, maintenance-free,
push-rod mounted in DU bush
Protection
class
lP 65 to DIN 40050
Speed
Max. 200/min.
Minimum opening
15°
Permissible
angle
ambient temperature
Operating
Snap Action Switch
BSE 44.0
to DIN 43 695
Construction,
Mechanical and
Electricai Data
-5°C
(NEMA 4, 4X, 12)
... +80°C
Greater than 30 mill ion revolutions
life
Casing material
The BSE 44 does not meet the requirements of a forced-opening
independent trip switch.
See page 25 ff. for safety switchgear.
in maintenance-free
Duroplast,
Thermoplast
(l id)
Contact material
Fine silver, gold plated
Contact configuration
Normally closed 1 + 2
Normally open 3 + 4
Cable connection
M 3 screw connections for 2 x 1.5 mm2,
with se lf releasing clip washers
Contact system
Two circuit changeover with two
electrically and thermally isolated
contact bridges
Operating
system
Snap action system with friktion contacts
Operating
force on push-rod
Max. 4.4 N (440 p)
Return force
Min. 1.3 N (130 p)
Recoil time
;:;;;1.5 ms
Changeover
l
1 ---<>-+-<>-- 2
3 -<>~~
4
;:;;;10 ms
time
Reproduceability
of switching
from circuit to circuit
pOint
±0.002
mm ~±0.1°
overrum
protection
Insulation
Group "C" to VDE 0110
Rated voltage
250 V AC
Continuous
6A
Switching
Switching
current
capacity
capacity
Initial resistance
CE
AC
(At 250 V, 40-60
(At 250 V, 40-60
(At 250 V, 40-60
DC
(At 220 V, L/R
(At 24 V, L/R
when new
Below 40 mO
Hz) cos
Hz) cos
Hz) cos
= 200
= 200
ep
ep
ep
ms)
ms)
Mechanical operating life
at 1.6 operations per second
More than 50 million eyeles
(VDE 0660 E 3)
E/ectrical operating
Dependent upon load and
switching frequency
life
Permit
UL E 66808
CSA LR 50067-1
EC Guideline
89/336/EWG
=1
= 0.8
= 0.4
6A
2 A
1A
0.5 A
4 A
(EMC Guideline)
BALLUFF
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